Adhesive



1 which it is applied, and when sheets coated Patented June 2, 1931PATENT OFFICE" ARCHIBALD H. VINING, OF SAN JOSE, CALIFORNIA ADHESIVE NoDrawing.

This invention relates particularly to an adhesive to be used fortemporarily mounting a mask upon a surface which it is desired toprotect while an exposed surface 1s being sprayed with paint orotherwise treated.

The objects of'the invention are to provide an adhesive that may bespread evenly upon a masking paper or other suitable mater al withoutcausing the same to warp; that Wlll not squeeze out along the edge whenthe mask of which it forms a part is applied to the surface to beprotected; that will not mix along the edge with the lacquer or othermaterial being applied; that will permit arrangmg the coated material inlayers so that a plurality of duplicate masks may be cut at the sametime; that leaves a clean easily polished surface upon removal of themask; that is efficient in all temperatures to which it is ordinarilysubjected.

My composition consists, essentially, of a mixture of beeswax, lanolin,castor oil, and Venice turpentine, which may be thinned by the additionof spirits of turpentine. I

In preparing the composition I prefer to use the ingredients in aboutthe following proportionsviz., fifty-two per cent beeswax, twenty-fourper cent lanolin, nine per' cent castor oil, and fifteen per cent Veniceturpentine, but these proportions may varied to meet various conditionspresented by temperature, grade of materials used, character of materialto be coated, etc.

A beeswax is used for the body material because of its adhesivequalities, its uniform consistency, and its characteristic reaction toheat; the lanolin because it retards drying and causes the compositionto resist combining with the lacquer, paint, varnish, etc., at the edgeof the mask when in use; the castor oil because it counteracts thetendency of the Venice turpentine to dry out the composition, and theVenice turpentine because it mixes readily with the wax and provides thedesired glue-like adhesiveness.

When this composition is used the mask may be readily removed from thesurface to with it are disposed in layers to permit cutting a number ofduplicates, they may be Application filed January 30, 1930. Serial No.424,725.

readily separated after cutting. Furthermore, when stencils are appliedwith this composition the ties may be cut out before the spraying orbrush work is begun, obviating the necessity of finishing the work laterafter the stencil is removed.

The composition above described is prepared by mixing the ingredientswhile hot, and then spreading upon the paper. This composition will notsqueeze out along the edge of the paper when it is applied to a surface,and When the paper is removed from the protected surface the saidprotected surface may be simply polished instead of being subjected to acleaning such as is ordinarily required.

I claim: 1 1. An adhesive composition for masks consisting of beeswax,lanolin, and a turpentine having the consistency of Venice turpentine.

2. An adhesive composition for masks consisting of beeswax, lanolin,castor oil, and

Venice turpentine.

3. An adhesive composition for masks con-

